ExtremeXOS Resiliency Enhancement for IPv6 Static Routes
The
ExtremeXOS Resiliency Enhancement feature provides a
resilient way to use Equal-Cost Multi-Path (ECMP) to load balance IPv6 traffic among multiple
servers or other specialized devices.
ExtremeXOS automatically manages the set of active devices
using ECMP static routes configured with ping protection to monitor the health of these routes.
Such servers or specialized devices do not require special software to support Bidirectional
Forwarding Detection (BFD), or IP routing protocols such as
OSPF (Open Shortest Path First)v3, or proprietary protocols to provide
keepalive messages.
ExtremeXOS uses industry-standard and required protocols ICMPv6/Neighbor
Discovery for IPv6 to accomplish the following automatically:
- Initially verify devices and activate their static routes, without
waiting for inbound user traffic, and without requiring configuration of device MAC
addresses.
- Detect silent device outages and inactivate corresponding static
routes.
- Reactivate static routes after device recovery, or hardware replacement
with a new MAC address.
ExtremeXOS currently supports similar protection and resiliency
using Bidirectional Forwarding Detection (BFD) on IPv4 static routes. However, BFD can only be
used when the local and remote device both support BFD.
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